Patio Doors in St. Louis, MO
At Window World of St. Louis, our patio doors open your home to the great outdoors while increasing your home’s energy efficiency.
Product Details
Technical Details
Color Options
At Window World of St. Louis, we’re dedicated to helping you find the perfect patio door for your home. Features of our sliding patio doors include:
- Weatherstripped interlocks that minimize air infiltration
- A triple-screw, butt-joint frame for maximum strength and no drafts
- Adjustable wheels and steel bearings for easy, smooth operation
- Double strength glass for an extra layer of home protection
- Premium vinyl construction
- Heavy-duty mainframe and sash
- Multi-chambered extrusions and steel-reinforced interlocking meeting rails combine for superior strength and structural integrity
- Dual internal/external weatherstripping
- A compression bulb seal
- Closed-cell foam gaskets
- 1″ thick insulated glass unit with a warm-edge spacer system
View our range of patio door colors to meet your specific taste.
*Color options may vary based on package, dimensions and more.
What is energy efficiency?
Energy-Efficient Doors
Energy-efficient patio doors add a layer of insulation where there typically isn’t one. The result? Lower energy bills, more consistent interior temperatures, and a reduced carbon footprint. Learn more here.
Your Questions, Answered.
Replacement Patio Doors: FAQs
What are classic-style sliding patio doors?
Our Classic-Style Sliding Patio Door combines the best of beauty and function. With generous 5″ rails and finishing details, it exudes quality and refinement.
+Customize Your Decorative Handle
Add your personal touch to your contemporary-style or classic-style sliding patio doors with one of our beautifully crafted handles. The popular handle design features a convenient thumb latch for added appeal.
What are contemporary-style sliding patio doors?
With symmetrical 3″ rails and sleek architectural lines, our contemporary-style sliding patio door will impart casual elegance to your home. From day one, you’ll appreciate the quiet, easy gliding and impeccable craftsmanship.
What are French-style sliding patio doors?
Enjoy authentic “French door” charm but with the floor space-saving convenience of a sliding patio door. The 5″ top rail, 7″ bottom rail and 3″ side rails further enhance the aesthetic appeal.
+Personalize Your Decorative Handle
The graceful contour of our French-style sliding patio door handles sets them apart. Each handle features a top lock for added resistance.
Are patio doors energy efficient?
Yes. A patio door from Window World of St. Louis is a tough shield against energy loss.
+Save More Energy with SolarZone™
We offer SolarZone™ insulated glass packages, which have proven to be far more effective than ordinary clear glass units. How to read the data: The lower the U-Value (also known as U-Factor), the less energy you’ll need to heat your home. The lower the solar heat gain coefficient (SHGC), the more you’ll conserve on air-conditioning.
Classic-Style Patio Door
| Whole Door Values | ||
| U-Value | SHGC | |
| Clear | .41 | .49 |
| SolarZone | .27 | .25 |
| SolarZone Elite | .27 | .18 |
| SolarZone TG2 | .21 | .22 |
Contemporary-Style Patio Door
| Whole Door Values | ||
| U-Value | SHGC | |
| Clear | .43 | .56 |
| SolarZone | .27 | .29 |
| SolarZone Elite | .27 | .20 |
| SolarZone TG2 | .20 | .25 |
French-Style Patio Door
| Whole Door Values | ||
| U-Value | SHGC | |
| Clear | .42 | .52 |
| SolarZone | .28 | .26 |
| SolarZone Elite | .27 | .19 |
| SolarZone TG2 | .21 | .23 |
Clear: Clear double-pane insulated glass unit.
SolarZone: Soft coat, multi-layer, vacuum deposition Low-E glass with argon gas and Intercept™ warm-edge spacer system.
SolarZone Elite: Soft coat, SHGC multi-layer, vacuum deposition Low-E glass with argon gas and Intercept™ warm-edge spacer system.
SolarZone TG2: Triple-pane unit with two surfaces of Low-E glass and two air spaces of argon gas with the Intercept™ warm-edge spacer system.